Duffield; Mike
Patent Applications and Registrations
Patent applications and USPTO patent grants for Duffield; Mike.The latest application filed is for "multi-mode control system for variable camshaft timing devices".
- Duffield; Mike - Willseyville NY
- Duffield, Mike - Medina NY
| Patent | Date |
|---|---|
| Multi-mode control system for variable camshaft timing devices Grant 6,453,859 - Smith , et al. September 24, 2 | 2002-09-24 |
| Multi-mode control system for variable camshaft timing devices App 20020088413 - Smith, Frank R. ; et al. | 2002-07-11 |
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